Using the Command Line in Ubuntu Linux


While Ubuntu is the arguably the most consumer-friendly version of Linux available with a full-featured graphical user interface similar to Windows and Mac operating systems, the real power of the OS reveals itself once you start using the command line. In this post, we’ve got a number of tips that will show you how to use the Linux command line to quickly accomplish everyday tasks.

These videos are just five of the most useful command line highlights from our complete Ubuntu Linux tutorial series for beginners, authored by IT professional and security consultant Rick Messier. A major focus of the training is on using the command line to quickly troubleshoot issues and make crucial configurations on the fly.

Enjoy these sample lessons below, and be sure to check out the main Ubuntu Linux training product page for more free videos and a full list of course contents.

Using the Console to List Files

In this clip, Rick shows you how to use the ls command to quickly assess the contents of folders you are browsing within your terminal.

File Management: Copy, Move And Rename

Here you’ll nail down the basics of efficiently copying, moving and managing files without touching the GUI file browser.

Process Management: ps And top

If you want to see which processes are running (and how much resources they’re using) on your machine, Ubuntu has several commands and tags to help you ascertain exactly what’s going.

Useful Utilities: grep, sed

Searching across and within files is easy and very detailed once you know the right commands.

Using Sudo

Sudo gives you administrative control throughout different commands and processes. Here, Rick explains the concept fully and shows you how to put the string into action.



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